Installing the software required for CS106B/X/L is easy for Linux users.
If you're running Ubuntu, Debian, Mint, or any other Debian derivative:
Copy the following code into the terminal and hit enter:
sudo apt-get -y install openjdk-7-jre qtcreator build-essential
If you're running Red Hat or Fedora:
Copy the following code into the terminal and hit enter:
sudo yum install qt-creator